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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-15 18:49:14 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-06-15 18:49:14 +0000 |
commit | 1b2f94c621250889cb328816714e24671057f705 (patch) | |
tree | 0fb6f8f328b9c8427978c85052fe9062aa656d54 /lib/Support/FileUtilities.cpp | |
parent | 669db04130911252a38d4470a7c136ffc26ec577 (diff) |
Fix an exotic bug that only showed up in an internal test case.
SimpleRegisterCoalescing::JoinIntervals() uses CoalescerPair to determine if a
copy is coalescable, and in very rare cases it can return true where LHS is not
live - the coalescable copy can come from an alias of the physreg in LHS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106021 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/FileUtilities.cpp')
0 files changed, 0 insertions, 0 deletions